baltimore city firefighters are on a mission to save lives... ábeforeá the flames. myranda ssephens is in west baltimore with the action they're taking followwng two recent deadly fires. myranda? that's right, karen. baltimore city firefighters have been installing free smoke detecttrs in homes for years... and now... you can get one by ust dialing 3-1-1. still... a lot of folks aren't getting tte message... so the firefighters are delivering it to them in person. 3 nats of knocking @ 3701 they went from door to door....ore nats at door or walking!!! hoping tt se lives... with a simple device. nats @ 3717 yes ma'am, baltimore city fire department making sure you have smoke detectors 22